Home / 803,416.73-1,108,677.98-440,831.57

Finding the Fourth Proportional to 803,416.73, 1,108,677.98 and 440,831.57

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Solution

The fourth proportional to 803,416.73, 1,108,677.98 and 440,831.57 is: 608,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,416.73 : 1,108,677.98 = 440,831.57 : x
  2. Step 2: Convert to fraction form
    803,416.73/1,108,677.98 = 440,831.57/x
  3. Step 3: Cross multiply
    803,416.73x = 1,108,677.98 × 440,831.57
  4. Step 4: Simplify right side
    803,416.73x = 488,740,250,106.52
  5. Step 5: Solve for x
    x = 488,740,250,106.52/803,416.73
  6. Step 6: Final answer
    x = 608,327.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.